Reincarnation Light Bulb? I Am the Great Sun!

Ning Qian traveled through time. The good news is that he has traveled to an extraordinary world where everyone can awaken the Yuling Spirit. Bad news, he didn't reincarnate as a human, but instead turned into a glowing ball of light. Moreover, Ning Qian was summoned as a Yuling. At the same time, a worse news came... The Master who summoned him saw that there was nothing special about him, so he abandoned him casually. However, Ning Qian unexpectedly signed a blood contract with a young girl, starting the journey of becoming the Great Sun of Huang Yao. ... The top powerful soul from thousands of years ago was reincarnated, but found that his reincarnated body unexpectedly had a second soul. He had no choice but to live with it temporarily. When she confidently commanded her reincarnation, Nan Qiuwan, to awaken the Yuling, the result was beyond her expectation. They have two souls in one body, but they can't summon the imperial spirit... By chance, Nan Qiu Wan wanted to sign a spirit contract with Ning Qian, who was reincarnated as a useless ball of light, but was strongly prevented. But it is precisely because of this that the two souls that become one have different contracts. "..." "After my reincarnation, I should have returned to the top." "But now... I seem to have become a blood servant who controls spirits..."